Joystick for a forklift truck



FIG. 1 is a top plan view of the joystick for a fork lift truck showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a joystick for a fork lift truck, as shown and described. 